Cool new bar at the Imperial Hotel Tokyo, The Rendez-Vous AWA. In the main lobby.

Brightly lit and spacious. Awa means bubbles in Japanese and the beverage list includes many bobbly beverages.

Imperial Hotel Tokyo
Chiyoda-ku, Uchisaiwaichō 1-1-1

https://www.imperialhotel.co.jp/e/tokyo/restaurant/awa/